Fairbank, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fairbank, a city in Buchanan County, Iowa.
Overnight
49°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy. Low around 49, with temperatures rising to around 52 overnight. Southwest wind 10 to 15 mph. Chance of precipitation is 40%.
7-day forecast for Fairbank
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Chance Rain Showers | 10 to 15 mph SW | 36% |
| Wednesday | 50°F | Rain Showers Likely | 15 mph W | 56% |
| Wednesday Night | 44°F | Chance Rain Showers | 15 mph W | 53% |
| Thursday | 52°F | Chance Rain Showers | 15 mph NW | 50% |
| Thursday Night | 37°F | Mostly Cloudy | 10 to 15 mph N | 13% |
| Friday | 47°F | Mostly Sunny | 5 to 10 mph N | 2% |
| Friday Night | 29°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 50°F | Sunny | 0 to 5 mph W | 1% |
| Saturday Night | 34°F | Mostly Clear | 5 mph W | 1% |
| Sunday | 55°F | Sunny | 5 to 10 mph W | 3% |
| Sunday Night | 36°F | Clear | 5 mph SW | 0% |
| Monday | 61°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 59°F | Sunny | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Fairbank (42.640, -92.048). Updated through the day.
Growing snapshot for Fairbank
Last spring frost
Apr 30
First fall frost
Oct 9
Growing season
163 days
Hardiness zone
5a
More local growing data for Fairbank: nearby ZIP 50629 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Oelwein 2 S, Ia (8.1 mi from Fairbank). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.